const mongoose = require("mongoose");

mongoose.connect("mongodb://127.0.0.1:27017/sh2104",{
    useNewUrlParser: true,
    useUnifiedTopology: true
});

mongoose.connection.on("connected",()=>{
    console.log("连接成功")
})
mongoose.connection.on("disconnected",()=>{
    console.log("连接断开")
})
mongoose.connection.on("error",()=>{
    console.log("连接失败")
})

module.exports = mongoose;
